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29330091 = 32719107229
BaseRepresentation
bin110111111100…
…0101010101011
32001012010022200
41233320222223
530002030331
62524351243
7504205320
oct157705253
961163280
1029330091
111561314a
1299a5523
1360cc0ab
143c76b47
1528955e6
hex1bf8aab

29330091 has 48 divisors (see below), whose sum is σ = 51667200. Its totient is φ = 15660864.

The previous prime is 29330087. The next prime is 29330101. The reversal of 29330091 is 19003392.

It is not a de Polignac number, because 29330091 - 22 = 29330087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29330051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127965 + ... + 128193.

It is an arithmetic number, because the mean of its divisors is an integer number (1076400).

Almost surely, 229330091 is an apocalyptic number.

29330091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29330091 is a deficient number, since it is larger than the sum of its proper divisors (22337109).

29330091 is a wasteful number, since it uses less digits than its factorization.

29330091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 29330091 is about 5415.7262670855. The cubic root of 29330091 is about 308.3929704626.

The spelling of 29330091 in words is "twenty-nine million, three hundred thirty thousand, ninety-one".

Divisors: 1 3 7 9 19 21 57 63 107 133 171 229 321 399 687 749 963 1197 1603 2033 2061 2247 4351 4809 6099 6741 13053 14231 14427 18297 24503 30457 39159 42693 73509 91371 128079 171521 220527 274113 465557 514563 1396671 1543689 3258899 4190013 9776697 29330091